/* Python Arcade — The Gauntlet
 * Builds on ../../assets/style.css base.
 * Arcade-themed additions: XP bar, badges, cards, combat framing.
 */

/* Ensure HTML hidden attribute always wins over custom display rules.
 * Without this, .modal { display: flex } keeps the modal visible even
 * when JS sets element.hidden = true. */
[hidden] { display: none !important; }

/* === Hero Banner === */
.arcade-banner {
  text-align: center;
  padding: 2.2rem 1.5rem;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 212, 59, 0.15), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(55, 118, 171, 0.2), transparent 60%),
    linear-gradient(135deg, #1a1a2e 0%, #0f0f23 100%);
  border-radius: 16px;
  border: 2px solid var(--border);
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}
.arcade-banner::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255,212,59,0.03) 0, rgba(255,212,59,0.03) 1px, transparent 1px, transparent 3px);
  pointer-events: none;
}
.arcade-banner h1 {
  font-family: 'Press Start 2P', monospace;
  font-size: 2rem;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.arcade-banner .tagline {
  color: var(--py-gold);
  font-size: 1rem;
  font-style: italic;
}

/* === Player Stats === */
.stat-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  position: relative;
  transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-2px); border-color: var(--py-gold); }
.stat-card .label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 0.3rem;
}
.stat-card .value {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: 'Fira Code', monospace;
  color: var(--py-gold);
}
.stat-card.xp .value { color: var(--py-gold); }
.stat-card.streak .value { color: var(--red); }
.stat-card.level .value { color: var(--green); }
.stat-card.badges .value { color: var(--purple); font-size: 1.3rem; }

/* === XP Bar === */
.xp-track {
  margin: 0.4rem 0;
  height: 8px;
  background: var(--bg);
  border-radius: 6px;
  overflow: hidden;
}
.xp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--py-blue), var(--py-gold));
  transition: width 0.6s;
}
.xp-next {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* === Nickname Bar === */
.nickname-bar {
  display: flex; align-items: center; gap: 12px;
  justify-content: flex-end;
  margin-bottom: 1rem;
}
.nickname-chip {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-weight: 700;
  color: var(--py-gold);
  cursor: pointer;
  transition: border-color 0.2s;
}
.nickname-chip:hover { border-color: var(--py-gold); }

/* === Badges === */
.badges-strip {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 8px;
}
.badge {
  display: inline-flex;
  align-items: center; gap: 6px;
  padding: 4px 12px;
  background: rgba(167, 139, 250, 0.12);
  border: 1px solid rgba(167, 139, 250, 0.3);
  border-radius: 14px;
  font-size: 0.8rem;
  color: var(--purple);
}
.badge.locked { opacity: 0.25; filter: grayscale(1); }
.badge-emoji { font-size: 1.1rem; }

/* === Action Buttons === */
.cta-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.8rem;
  margin-bottom: 2rem;
}
.cta-card {
  background: linear-gradient(135deg, rgba(55,118,171,0.15), rgba(255,212,59,0.1));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
  cursor: pointer;
  display: block;
}
.cta-card:hover {
  transform: translateY(-2px);
  border-color: var(--py-gold);
  box-shadow: 0 8px 20px rgba(255,212,59,0.1);
}
.cta-card h3 {
  color: var(--py-gold); margin: 0 0 0.3rem;
  font-size: 1rem;
}
.cta-card .cta-sub { font-size: 0.82rem; color: var(--text-muted); }
.cta-card.daily { background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(245,158,11,0.1)); }
.cta-card.daily h3 { color: var(--red); }
.cta-card.random { background: linear-gradient(135deg, rgba(167,139,250,0.15), rgba(56,189,248,0.1)); }
.cta-card.random h3 { color: var(--purple); }

/* === Lesson Grid === */
.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.8rem;
}
.lesson-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
  position: relative;
  cursor: pointer;
  display: block;
}
.lesson-card:hover {
  transform: translateY(-2px);
  border-color: var(--py-gold);
}
.lesson-card .lesson-id {
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--py-blue);
  font-weight: 700;
}
.lesson-card .lesson-title {
  font-size: 1rem; margin-top: 0.3rem; font-weight: 600;
}
.lesson-card .lesson-meta {
  display: flex; justify-content: space-between;
  margin-top: 0.6rem; font-size: 0.78rem; color: var(--text-dim);
}
.lesson-card .progress-bar {
  margin-top: 0.5rem;
  height: 6px; background: var(--bg); border-radius: 4px; overflow: hidden;
}
.lesson-card .progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--py-gold));
  transition: width 0.4s;
}
.lesson-card.locked { opacity: 0.5; }
.lesson-card.done { border-color: var(--green); }
.lesson-card .boss-flag {
  position: absolute; top: 8px; right: 8px;
  background: var(--red); color: white;
  font-size: 0.65rem; font-weight: 700;
  padding: 2px 8px; border-radius: 10px;
}

/* === Exercise Cards (in lesson view) === */
.exercise-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.7rem;
}
.exercise-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  cursor: pointer; text-decoration: none; color: var(--text);
  transition: all 0.2s;
  position: relative;
  display: block;
}
.exercise-card:hover { border-color: var(--py-gold); transform: translateY(-2px); }
.exercise-card.done { border-left: 4px solid var(--green); }
.exercise-card.done::after {
  content: "✓"; position: absolute; top: 8px; right: 12px;
  color: var(--green); font-weight: 900; font-size: 1.2rem;
}
.exercise-card .ex-id {
  font-family: 'Fira Code', monospace; font-size: 0.72rem; color: var(--py-blue);
}
.exercise-card .ex-title {
  font-size: 0.95rem; margin-top: 0.25rem; font-weight: 600;
}
.exercise-card .ex-meta {
  margin-top: 0.5rem; display: flex; gap: 10px; align-items: center;
  font-size: 0.76rem;
}
.diff-badge {
  padding: 2px 8px; border-radius: 10px; font-weight: 700; font-size: 0.7rem;
}
.diff-easy { background: rgba(74,222,128,0.18); color: var(--green); }
.diff-medium { background: rgba(245,158,11,0.18); color: var(--orange, #f97316); }
.diff-hard { background: rgba(248,113,113,0.18); color: var(--red); }
.xp-badge {
  color: var(--py-gold); font-weight: 700; font-family: 'Fira Code', monospace;
}

/* === Boss Card === */
.boss-card {
  background: linear-gradient(135deg, rgba(239,68,68,0.14), rgba(167,139,250,0.1));
  border: 2px dashed var(--red);
  border-radius: 14px;
  padding: 1.2rem 1.4rem;
  margin-top: 1.5rem; cursor: pointer; text-decoration: none; color: var(--text);
  display: block;
  transition: all 0.2s;
}
.boss-card:hover { transform: scale(1.01); border-style: solid; }
.boss-card h3 {
  font-family: 'Press Start 2P', monospace;
  color: var(--red); margin: 0 0 0.4rem;
  font-size: 0.9rem;
}
.boss-card .boss-reward {
  display: inline-block; padding: 2px 12px; background: var(--red); color: white;
  border-radius: 10px; font-size: 0.75rem; font-weight: 700; margin-top: 0.4rem;
}

/* === Exercise Detail === */
.exercise-detail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
  margin-bottom: 1.5rem;
}
.exercise-detail h1 {
  background: linear-gradient(135deg, var(--py-blue), var(--py-gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.exercise-detail .detail-meta {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin: 0.6rem 0 1.2rem;
}
.exercise-detail .problem {
  font-size: 1.02rem; line-height: 1.7;
  padding: 1rem 1.2rem;
  background: var(--bg);
  border-left: 3px solid var(--py-blue);
  border-radius: 8px;
  margin: 1rem 0;
}
.exercise-detail .hint {
  padding: 1rem 1.2rem;
  background: rgba(255,212,59,0.08);
  border-left: 3px solid var(--py-gold);
  border-radius: 8px;
  margin: 1rem 0;
  display: none;
}
.exercise-detail .hint.visible { display: block; }
.exercise-detail .hint h4 { color: var(--py-gold); margin: 0 0 0.4rem; }

.code-area {
  margin: 1rem 0;
}
.code-area textarea {
  width: 100%; min-height: 180px;
  background: #0a0a1e;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  color: var(--text);
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  resize: vertical;
}
.code-area-actions { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }

/* === Buttons === */
.btn-primary, .btn-secondary, .btn-danger, .btn-ghost {
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-weight: 600; font-size: 0.92rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}
.btn-primary {
  background: linear-gradient(135deg, var(--py-blue), var(--py-gold));
  color: var(--bg);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(255,212,59,0.25); }
.btn-secondary {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--py-gold); color: var(--py-gold); }
.btn-danger {
  background: var(--red); color: white;
}
.btn-ghost {
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border);
}

/* === XP Burst Animation === */
.xp-burst {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Press Start 2P', monospace;
  font-size: 3rem;
  color: var(--py-gold);
  pointer-events: none;
  text-shadow: 0 0 30px rgba(255,212,59,0.8);
  animation: xpPop 1.2s ease-out forwards;
  z-index: 1000;
}
@keyframes xpPop {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.3); }
  25% { opacity: 1; transform: translate(-50%, -50%) scale(1.3); }
  100% { opacity: 0; transform: translate(-50%, -80%) scale(1); }
}

/* === Modal === */
.modal {
  position: fixed; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, 0.75);
}
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  max-width: 400px; width: 90%;
  text-align: center;
}
.modal-content h2 {
  color: var(--py-gold); margin-bottom: 0.6rem;
  background: none; -webkit-text-fill-color: unset;
}
.modal-content input {
  width: 100%;
  padding: 10px 14px;
  margin: 0.8rem 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Fira Code', monospace;
  font-size: 1rem;
}

/* === Hall of Fame === */
.leaderboard {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}
.leaderboard table {
  width: 100%;
  border-collapse: collapse;
}
.leaderboard th, .leaderboard td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.leaderboard th {
  color: var(--text-dim); text-transform: uppercase; font-size: 0.78rem;
  letter-spacing: 0.6px;
}
.leaderboard td.rank-col {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.8rem;
}
.leaderboard tr:nth-child(2) td.rank-col { color: var(--py-gold); }
.leaderboard tr:nth-child(3) td.rank-col { color: #c0c0c0; }
.leaderboard tr:nth-child(4) td.rank-col { color: #cd7f32; }

/* === Error Dictionary === */
.error-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.8rem;
}
.error-card {
  background: var(--bg-card);
  border-left: 4px solid var(--red);
  border-radius: 10px;
  padding: 1rem 1.2rem;
}
.error-card h4 {
  color: var(--red);
  margin: 0 0 0.4rem;
  font-family: 'Fira Code', monospace;
}
.error-card pre {
  margin: 0.5rem 0;
  font-size: 0.82rem;
  padding: 0.6rem 0.8rem;
}
.error-card .fix { color: var(--green); font-size: 0.85rem; margin-top: 0.5rem; }

/* === New quest-type UI === */
.choices {
  display: flex; flex-direction: column; gap: 8px; margin: 1rem 0;
}
.choice {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.95rem;
}
.choice:hover { border-color: var(--py-gold); background: var(--bg-card-hover); }
.choice input[type="radio"] { margin: 0; accent-color: var(--py-gold); }
.choice code {
  background: none; padding: 0; color: var(--text); font-size: 0.92rem;
}

.small-text {
  width: 100%; min-height: 80px;
  background: #0a0a1e;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  resize: vertical;
  margin: 0.4rem 0 0.8rem;
}
.long-text {
  width: 100%; min-height: 220px;
  background: #0a0a1e;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  line-height: 1.6;
  resize: vertical;
  margin: 0.4rem 0;
}
.char-count {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0 0 0.8rem;
  font-family: 'Fira Code', monospace;
}

.drill-feedback { margin-top: 1rem; }
.feedback-ok {
  padding: 0.9rem 1.2rem;
  background: rgba(74, 222, 128, 0.15);
  border-left: 3px solid var(--green);
  border-radius: 8px;
  color: var(--green);
  font-weight: 600;
}
.feedback-no {
  padding: 0.9rem 1.2rem;
  background: rgba(248, 113, 113, 0.12);
  border-left: 3px solid var(--red);
  border-radius: 8px;
  color: var(--red);
  font-weight: 600;
}

/* Flag button */
.flag-btn {
  padding: 4px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.flag-btn:hover { border-color: var(--red); color: var(--red); }
.flag-btn.flagged { border-color: var(--red); color: var(--red); background: rgba(248, 113, 113, 0.1); }
.flag-chip {
  font-size: 0.7rem; color: var(--red);
  padding: 2px 8px; background: rgba(248, 113, 113, 0.1);
  border-radius: 10px;
}

/* Type legend on dashboard */
.type-legend {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.7rem;
  margin: 0.8rem 0 1.5rem;
}
.type-legend-item {
  display: flex; gap: 10px; align-items: center;
  padding: 0.7rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.type-emoji { font-size: 1.5rem; }
.type-name { font-weight: 700; font-size: 0.9rem; color: var(--py-gold); }
.type-desc { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

/* Settings cards */
.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.5rem;
}
.settings-card label {
  display: block; margin-bottom: 0.8rem; font-size: 0.9rem; color: var(--text-muted);
}
.settings-card input {
  width: 100%; margin-top: 0.3rem;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Fira Code', monospace;
  font-size: 0.92rem;
}

/* === Responsive === */
@media (max-width: 640px) {
  .arcade-banner h1 { font-size: 1.3rem; }
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
  .lesson-grid { grid-template-columns: 1fr; }
  .exercise-list { grid-template-columns: 1fr; }
  .type-legend { grid-template-columns: 1fr; }
}